. >> he in his own defense was going to pull his gun and he did. >> reporter: the father who called police is just trying to help a troubled son. >> it's sad that it had to come to this.. >> reporter: before this, calls to the home were domestic. the officer involved is an eight year veteran. the suspect he shot is expected to survive. in dublin, noelle dublin. >>> a man who stabbed his father and shot at a police officer will spend the rest of his life in prison. martinez was sentenced today to nine years behind bars. martinez shot at an officer who was attempting to arrest him in 2010. this was martinez' third conviction. >>> an alameda county judge sentenced cayman to 25 years in prison. that was in return for cayman pleading guilty. he told police he had been suspended from school and didn't want to deal with his parents being upset with him. >>> sunny vale police, the chp and sheriff's deputy all rushed to the school after a report of a gunman on campus. however, in the end it turns out the report was nothing more than a prank. ktvu's allie rasmus is live tonight. and that student who